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Finding the Fourth Proportional to 434.84, 598.05 and 379.62

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Solution

The fourth proportional to 434.84, 598.05 and 379.62 is: 522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.84 : 598.05 = 379.62 : x
  2. Step 2: Convert to fraction form
    434.84/598.05 = 379.62/x
  3. Step 3: Cross multiply
    434.84x = 598.05 × 379.62
  4. Step 4: Simplify right side
    434.84x = 227,031.74
  5. Step 5: Solve for x
    x = 227,031.74/434.84
  6. Step 6: Final answer
    x = 522.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.